12750993 has 16 divisors (see below), whose sum is σ = 19712640. Its totient is φ = 8130672.

The previous prime is 12750989. The next prime is 12751007. The reversal of 12750993 is 39905721.

It is not a de Polignac number, because 12750993 - 2² = 12750989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12750193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9646 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (1232040).

Almost surely, 2^12750993 is an apocalyptic number.

It is an amenable number.

12750993 is a deficient number, since it is larger than the sum of its proper divisors (6961647).

12750993 is a wasteful number, since it uses less digits than its factorization.

12750993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20565 (or 20559 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12750993 is about 3570.8532593765. The cubic root of 12750993 is about 233.6225011262.

The spelling of 12750993 in words is "twelve million, seven hundred fifty thousand, nine hundred ninety-three".